Add 15/18 and 21/32
15/18 + 21/32 is 143/96.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 18 × 16 = 288,
15/18 = 15 × 16/18 × 16 = 240/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
21/32 = 21 × 9/32 × 9 = 189/288 - Add the two like fractions:
240/288 + 189/288 = 240 + 189/288 = 429/288 - 429/288 simplified gives 143/96
- So, 15/18 + 21/32 = 143/96
In mixed form: 147/96
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